Home / 122,423.19-183,459.83-69,723.78

Finding the Fourth Proportional to 122,423.19, 183,459.83 and 69,723.78

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Solution

The fourth proportional to 122,423.19, 183,459.83 and 69,723.78 is: 104,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,423.19 : 183,459.83 = 69,723.78 : x
  2. Step 2: Convert to fraction form
    122,423.19/183,459.83 = 69,723.78/x
  3. Step 3: Cross multiply
    122,423.19x = 183,459.83 × 69,723.78
  4. Step 4: Simplify right side
    122,423.19x = 12,791,512,477.14
  5. Step 5: Solve for x
    x = 12,791,512,477.14/122,423.19
  6. Step 6: Final answer
    x = 104,486.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.